[dm-devel] [PATCHv2 0/2] dm-multipath: push back requests instead of queueing

Mike Snitzer snitzer at redhat.com
Thu Jan 30 01:38:58 UTC 2014


On Sat, Jan 18 2014 at 10:41am -0500,
Mike Snitzer <snitzer at redhat.com> wrote:

> On Fri, Jan 17 2014 at  5:42am -0500,
> Hannes Reinecke <hare at suse.de> wrote:
> 
> > Hi all,
> > 
> > dm-multipath still carries around it's own queueing framework for
> > implementing 'queue_if_no_path'.
> > However, there is no real reason for this; we could as well
> > push back the requests onto the request_queue.
> > In doing so we can also reduce the memory pressure during
> > fail_if_no_path scenarios, as we don't have to allocate a
> > context for each request when it need to be requeued.
> > 
> > This patchset is the reworked version from the original, including
> > the review by Jun'ichi.
> 
> Much appreciated.  But unfortunately it is too late for 3.14.
> 
> These will be my immediate priority once I transition to 3.15
> development (likely by end of next week).

Hi Hannes,

Do you have a new patchset for this work based on the review Junichi
provided?  I'd like to review/stage your latest once you have it.

Let me know, thanks.
Mike




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